[Evaluation of norethindrone combined with mestranol (S-3800 C) as an oral contraceptive].
D003276:Contraceptives, Oral; D004357:Drug Synergism; D005260:Female; D006801:Humans; D008656:Mestranol / Q000008:administration & dosage* / Q000494:pharmacology; D009640:Norethindrone / Q000008:administration & dosage* / Q000494:pharmacology
D003276:Contraceptives, Oral; D008656:Mestranol; D009640:Norethindrone